Re: [OMC-Boats] Insulating engine

From: jd <jdood@...>
Date: Thu, 10 Sep 2009 10:18:03 -0700

BC - you have the holley/offenhouser set up like on Lee's site? And
you live in my same climate region and love it?'ve
piqued my interest....tell me more.....

I'm days away from likely upgrading my carb. I already have the
petronix thing. A rebuilt replacement 2 barrel is running about
$230 with shipping. I was looking at those lastnight online. Just
the 4 barrel holley carb alone is about $450 I think. Plus the
unknown cost of the manifold. So were talking probably $600 -
$800? A lot more money.......but worth it you think? Any solid
numbers on the actual power / MPH increase? Easier to adjust, or
the does it have the same two incredibly hard to get to adjustment
screws in front? Simple bolt on install, or modifications needed?

  Hole shots aren't a biggie to me, I may NEVER pull anything with my
boat. But top end speed would be nice to improve.

If i didn't already have the Petronix setup i wouldn't be considering
it. Tell me more........

Jeff D

On Sep 10, 2009, at 8:47 AM, BC Howk wrote:

> Justin,
> I put a Holley 4bbl on my buick V6 with an offenhauser intake a few
> years ago and LOVE IT!!! Talking to Lee I have heard some mixed
> reviews I think that mostly has to do with the altitude he's dealing
> with.....
> The next thing I would highly recommend is a pertronix kit...again
> opinions vary about whether this will improve performance (I tend to
> think it does) but IMHO it is a worth while upgrade for reliability
> and to never have to adjust those points, easy to install and pretty
> reasonably priced.
> Sounds like you got a real gem and are having some fun with it...
> Cheers,
> B.C.
> On Sep 9, 2009, Justin DeSantis <duc1098desmo@...> wrote:
> I hadn't even stopped to consider that foam board wouldn't work to
> dampen noise. Ok, so foam board it out. If I stumble upon something
> that would work better, maybe I'll try it. But it almost sounds like
> it's not worth the time. What about some carpet or something?
> I guess I'm getting to the bottom of the barrel with tinkering on this
> thing so noise was my next tackle. So far I got my cooling issue
> worked out, and got my pisser working again. It was clogged, so not
> related to my cooling issue. But I guess it's kind of good. Had it not
> been clogged, I would have never suspected a cooling issue. Installed
> the clear lines, found and fixed my cooling issue. Now I have the tell
> tale to show me if I have any more issues. Let's see, what else have I
> done....
> I installed a stereo and a couple of speakers. Had some nice speakers
> from a car audio system I used to have. Made an enclosure to hang the
> head unit below the glove box. Mounted speakers in the plywood kick
> panels under the dash on each side. Added a master kill switch to it
> so I can be sure it doesn't drain my battery during storage. Sounds
> great. Removed the extra brackets for things I'll never use like the
> goofy Loran thing and the old ship to shore. Cleaned up everything and
> made it shiny again. Oh and the glove compartment was bugging me. It
> was lined with what looks like old fashioned cork gasket paper. It was
> flaking and I couldn't put small items in there for fear of losing
> them among the cork dust. Plus, it was deep and dark. I hated it. I
> relined it with light gray indoor out door carpeting and just for
> giggles, I added a light. So now I have a nice soft, well lit glove
> box. Also replaced the v belt. So no more belt squeal. Yay.
> Waiting for the convertible top to come back from the seamstress. The
> top has never been up but the zippers rotted off it, so they need
> replaced. I also have the side panels for it and the rear piece, they
> were in the previous owners attic, never removed from the original
> packaging.
> Next on the list is trying to get the handrails looking good again.
> They're dull and pitted. Metal polish won't do it. I'm going to attack
> them with some #000 steel wool and see what happens. Then while it's
> stored this winter, I plan to take out the table thing and tear it
> apart and rebuilt it with the original metal frame and some new wood
> inserts.
> Speaking os possible performance loss, are there any easy bolt on's
> for the V8 Buick that will boost performance a bit? 4 barrel maybe?
> On Wed, Sep 9, 2009 at 10:17 PM, Andy Perakes <aperakes@...
> > wrote:
> > My engine compartment came lined with a thin black foam that has
> mostly
> > deteriorated over the years. It helps dampen some of the higher
> frequency
> > noise (foam would need to be a lot thinker to attenuate low
> frequency
> > noise), but the front of my hatch is vented to allow air in-flow.
> I took it
> > off the top of the hatch after it started falling because I was
> afraid it
> > might restrict airflow (at best) or small foam pieces might get
> sucked in
> > (at worse). Foam board probably wouldn't help a lot as its too
> dense to
> > absorb much, but auto matting (fiber hood or floor liner) or
> something
> > similar would help a little. Just be careful not to restrict any
> airflow --
> > even though the engine is water-cooled, the battery, alternator,
> etc. still
> > depend mostly on air-cooling. Hotter intake air will also cause
> you to lose
> > power (though probably not enough to notice except maybe top end).
> >
> > Andy
> >
> > ----- Original Message ----- From: "Justin DeSantis"
> > <duc1098desmo@...>
> > To: "Evinrude & Johnson Boats of the 1960's and 70's"
> > <omc-boats@...>
> > Sent: Wednesday, September 09, 2009 9:44 PM
> > Subject: [OMC-Boats] Insulating engine
> >
> >
> >> Has anyone added insulation to the inside of the doghouse and
> engine
> >> cover? I'm thinking of adding some foam board to cut down on the
> >> engine noise a bit. Just wondering if it would have adverse
> effects?
> >> Would it cause the engine to overheat or anything?
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Received on Thursday, 10 September 2009

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